Tucker 4 x 21" Reverse Osmosis Membrane, #20051-RO
RHG 4 x 21-inch Reverse Osmosis Membrane, #20051-RO
 
📊 AI-POWERED MARKET ANALYSIS
• Highlight: This 4 x 21-inch RO membrane from RHG removes the bulk of dissolved solids in compact 4x21 housings, protecting and extending the DI resin stage on water-fed pole systems.
• Best For: Pure-water window cleaning operators with 4x21 RO and DI housings looking to cut DI resin usage.
• Expert Note: A low-pressure RO design means strong rejection even on modest inlet pressure - a Tucker and RHG hallmark that keeps flow up on residential supplies.
Sale Price: $467.80
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Product Code: 20051-RO
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Tucker 4 x 21" Reverse Osmosis Membrane, #20051-RO

These 21" RO Membranes are designed to operate at extremely low operating pressures making them the perfect choice for the window cleaning professional.

Consider changing your RO membrane when it has began to remove less than 80% of the impurities in the water. The fewer impurities the RO can remove the more you will spend on DI filter replacements.